Mega Prusa i3 Reworks Z Axis system

Custom z axis system design for Mega Prusa i3 Rework

http://www.instructables.com/id/Mega-Prusa-i3-Rework-8-x-Build-Volume/
bears is 605ZZ


I did with PLA
infill = %40
Layer Height = 0.2
Solid Layers = 6
Support Enabled.

there are 2 type Bottom Motor connector.. only middle hole is different.

I really I dont know how can I turn direction a object so you need turn them before print..